#11 Add each post serializer for post list apis

app/controllers/api/v1/application_controller.rb

@@ -40,7 +40,7 @@ class Api::V1::ApplicationController < ActionController::Base
   end
 
   def load_post
-    @target_post = Post.find_by id: params[:post_id]
+    @target_post = Post.find_by id: params[:post_id] || params[:id]
     render json: {msg: '不能找到该文章'}, status: 404 unless @target_post
   end
 

app/controllers/api/v1/dashboard_controller.rb

@@ -5,14 +5,14 @@ class Api::V1::DashboardController < Api::V1::ApplicationController
   def top
     case params[:type]
       when 'web_page'
-        render json: Post.where(type: 'WebPage').order(viewed_times: :desc).page(params[:page]), each_serializer: PostSerializer
+        render json: Post.where(type: 'WebPage').order(viewed_times: :desc).page(params[:page]), each_serializer: EachPostSerializer
       else
-        render json: Post.where(type: 'Article').order(viewed_times: :desc).page(params[:page]), each_serializer: PostSerializer
+        render json: Post.where(type: 'Article').order(viewed_times: :desc).page(params[:page]), each_serializer: EachPostSerializer
     end
 
   end
 
   def top_all
-    render json: Post.order(viewed_times: :desc).page(params[:page]), each_serializer: PostSerializer
+    render json: Post.order(viewed_times: :desc).page(params[:page]), each_serializer: EachPostSerializer
   end
 end

app/controllers/api/v1/posts_controller.rb

@@ -1,7 +1,7 @@
 class Api::V1::PostsController < Api::V1::ApplicationController
 
   before_action :permit_params, :map_post_type, :get_post, only: [:create]
-  before_action :load_post, only: [:add_viewed_times]
+  before_action :load_post, only: [:add_viewed_times, :show]
 
   after_action :process_post, only: :create
 
@@ -20,6 +20,7 @@ class Api::V1::PostsController < Api::V1::ApplicationController
   end
 
   def show
+    render json: @target_post, serializer: PostSerializer
   end
 
   def index
@@ -33,12 +34,12 @@ class Api::V1::PostsController < Api::V1::ApplicationController
 
   def liked_posts
     ids = Like.where(user_id: @current_user.id).order(:created_at).pluck(:likable_id)
-    render json: Post.where(id: ids).page(params[:page]), each_serializer: PostSerializer
+    render json: Post.where(id: ids).page(params[:page]), each_serializer: EachPostSerializer
   end
 
   def search
     params.permit(:keywords)
-    render json: Post.where('title LIKE ?',"%#{params[:keywords]}%").page(params[:page]), each_serializer: PostSerializer
+    render json: Post.where('title LIKE ?',"%#{params[:keywords]}%").page(params[:page]), each_serializer: EachPostSerializer
   end
 
   private

app/controllers/api/v1/timeline_controller.rb

@@ -3,11 +3,11 @@ class Api::V1::TimelineController < Api::V1::ApplicationController
   skip_before_action :authenticate_user_from_token
 
   def latest
-    render json: Post.order(created_at: :desc).page(params[:page]), each_serializer: PostSerializer
+    render json: Post.order(created_at: :desc).page(params[:page]), each_serializer: EachPostSerializer
   end
 
   def hottest
-    render json: Post.order(viewed_times: :desc).page(params[:page]), each_serializer: PostSerializer
+    render json: Post.order(viewed_times: :desc).page(params[:page]), each_serializer: EachPostSerializer
   end
 
 end

app/serializers/each_post_serializer.rb

@@ -0,0 +1,9 @@
+class EachPostSerializer < ActiveModel::Serializer
+
+  attributes :id, :viewed_times, :url, :title, :type, :processed, :good_format, :created_at, :likes_count, :comments_count,
+             :summary, :thumbnail
+
+  def thumbnail
+    object.thumbnail.try(:file).try(:url)
+  end
+end

app/serializers/post_serializer.rb

@@ -1,6 +1,6 @@
 class PostSerializer < ActiveModel::Serializer
 
-  attributes :id, :viewed_times, :url, :title,  :type, :processed, :good_format, :created_at, :likes_count, :comments_count,
+  attributes :id, :viewed_times, :url, :title, :content, :type, :processed, :good_format, :created_at, :likes_count, :comments_count,
              :summary, :thumbnail
 
   def thumbnail

app/serializers/share_instance_serializer.rb

@@ -2,5 +2,5 @@ class ShareInstanceSerializer < ActiveModel::Serializer
 
   attributes :id, :description, :sharable_type
 
-  belongs_to :sharable, serializer: PostSerializer
+  belongs_to :sharable, serializer: EachPostSerializer
 end